MCP40D19 MICROCHIP [Microchip Technology], MCP40D19 Datasheet
MCP40D19
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MCP40D19 Summary of contents
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... Options (kΩ) (Ω) RAM 5.0, 10.0, 50.0, 100.0 75 RAM 5.0, 10.0, 50.0, 100.0 75 RAM 5.0, 10.0, 50.0, 100.0 75 Rheostat MCP40D17 SC70 SCL SDA 4 3 SDA 4 MCP40D19 SC70 SCL SDA Operating ( 1) Range Package 1.8V to 5.5V SC70-6 1.8V to 5.5V SC70-6 1.8V to 5.5V SC70-5 DS22152B-page 1 ...
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... I C 128 Potentiometer ( MCP4018 I C 128 Potentiometer ( 2) MCP4013 U/D 64 Potentiometer ( 2) MCP4023 U/D 64 Potentiometer ( 2) 2 MCP40D19 I C 128 Rheostat ( MCP4019 I C 128 Rheostat ( 2) MCP4014 U/D 64 Rheostat ( 2) MCP4024 U/D 64 Rheostat Note 1: This table is broken into three groups by a thick line (and color coding). The unshaded devices in this table are the devices described in this data sheet, while the shaded devices offer a comparable resistor network configuration ...
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ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † Voltage on V with respect to V ..... -0.6V to +7. Voltage on SCL, and SDA with respect to V ............................................................................. Voltage on all other pins (A, W, and B) with ...
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MCP40D17/18/19 AC/DC CHARACTERISTICS Standard Operating Conditions (unless otherwise specified) Operating Temperature DC Characteristics All parameters apply across the specified operating ranges unless noted Typical specifications represent values for V Parameters Sym Min Supply Voltage V 2.7 DD 1.8 ...
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AC/DC CHARACTERISTICS (CONTINUED) Standard Operating Conditions (unless otherwise specified) Operating Temperature DC Characteristics All parameters apply across the specified operating ranges unless noted Typical specifications represent values for V Parameters Sym Min Resistance R 4.0 AB (± 20%) ...
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MCP40D17/18/19 AC/DC CHARACTERISTICS (CONTINUED) Standard Operating Conditions (unless otherwise specified) Operating Temperature DC Characteristics All parameters apply across the specified operating ranges unless noted Typical specifications represent values for V Parameters Sym Min Full Scale Error V -3.0 ...
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... MCP40D18 (Note 3) -2.0 MCP40D17 and MCP40D19 -4.0 devices only (Note 3) -1.125 -1.5 -0.8 -1.125 Rheostat R-DNL -0.5 Differential -0.75 Non-linearity MCP40D18 -0.5 (Note 3) MCP40D17 and -0.75 MCP40D19 devices only -0.375 (Note 3) -0.375 -0.375 -0.375 Capacitance ( Capacitance ( Capacitance ( Note 1: Resistance is defined as the resistance between terminal A to terminal B. ...
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MCP40D17/18/19 AC/DC CHARACTERISTICS (CONTINUED) Standard Operating Conditions (unless otherwise specified) Operating Temperature DC Characteristics All parameters apply across the specified operating ranges unless noted Typical specifications represent values for V Parameters Sym Min Digital Inputs/Outputs (SDA, SCK) Schmitt ...
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I C Mode Timing Waveforms and Requirements SCL 91 90 SDA START Condition 2 FIGURE 1- Bus Start/Stop Bits Timing Waveforms. 2 TABLE 1- BUS START/STOP BITS REQUIREMENTS Characteristics Param. ...
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... SDA line T max.+tsu;DAT = 1000 + 250 = 1250 ns (according to the standard-mode I R the SCL line is released. 3: The MCP40D18/MCP40D19 device must provide a data hold time to bridge the undefined part between V and V of the falling edge of the SCL signal. This specification is not a part of the must be tested in order to guarantee that the output data will meet the setup and hold specifications for the receiving device ...
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TEMPERATURE CHARACTERISTICS Electrical Specifications: Unless otherwise indicated, V Parameters Temperature Ranges Specified Temperature Range Operating Temperature Range Storage Temperature Range Thermal Package Resistances Thermal Resistance, 5L-SC70 Thermal Resistance, 6L-SC70 Note 1: Package Power Dissipation ( θ ...
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MCP40D17/18/19 NOTES: DS22152B-page 12 © 2009 Microchip Technology Inc. ...
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TYPICAL PERFORMANCE CURVES Note: The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or ...
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MCP40D17/18/19 Note: Unless otherwise indicated +25° 120 -40C Rw 25C Rw 85C Rw 125C Rw -40C INL 25C INL 85C INL 125C INL -40C DNL 25C DNL 85C DNL 125C DNL 100 85°C DNL 125°C INL ...
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Note: Unless otherwise indicated +25° 0.0 -0.2 -0.4 -0.6 -0.8 5.5V -1.0 -1.2 2.7 -1.4 1.8V -1.6 -1.8 - Ambient Temperature (°C) Ω FIGURE 2-9: 5 Full Scale Error (FSE) vs. Temperature ...
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MCP40D17/18/19 Note: Unless otherwise indicated +25° Ω FIGURE 2-15: 5 Write Wiper → (40h 3Fh) Settling Time (V =5.5V). DD Ω FIGURE 2-16: 5 Write Wiper → (40h 3Fh) Settling Time (V ...
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Note: Unless otherwise indicated +25° 120 -40C Rw 25C Rw 85C Rw 125C Rw -40C INL 25C INL 85C INL 125C INL -40C DNL 25C DNL 85C DNL 125C DNL 100 125°C 85° DNL ...
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MCP40D17/18/19 Note: Unless otherwise indicated +25° 0.0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 2.7 -0.7 -0.8 1.8V -0.9 -1.0 - Ambient Temperature (°C) Ω FIGURE 2-27 Full Scale Error (FSE) vs. ...
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Note: Unless otherwise indicated +25° Ω FIGURE 2-33 Write Wiper → (40h 3Fh) Settling Time (V =5.5V). DD Ω FIGURE 2-34 Write Wiper → (40h 3Fh) Settling Time (V =2.7V). ...
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MCP40D17/18/19 Note: Unless otherwise indicated +25° 120 -40C Rw 25C Rw 85C Rw 125C Rw -40C INL 25C INL 85C INL 125C INL -40C DNL 25C DNL 85C DNL 125C DNL 100 85°C 125° ...
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Note: Unless otherwise indicated +25° 0.00 -0.04 -0.08 2.7 -0.12 1.8V -0.16 - Ambient Temperature (°C) Ω FIGURE 2-45 Full Scale Error (FSE) vs. Temperature (V = 5.5V, 2.7V, 1.8V). DD ...
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MCP40D17/18/19 Note: Unless otherwise indicated +25° Ω FIGURE 2-51 Write Wiper → (40h 3Fh) Settling Time (V =5.5V). DD Ω FIGURE 2-52 Write Wiper → (40h 3Fh) Settling Time (V ...
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Note: Unless otherwise indicated +25° 120 -40C Rw 25C Rw 85C Rw 125C Rw -40C INL 25C INL 85C INL 125C INL -40C DNL 25C DNL 85C DNL 125C DNL 100 125°C DNL 85° ...
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MCP40D17/18/19 Note: Unless otherwise indicated +25° 0.00 -0.02 5.5V -0.04 2.7 -0.06 1.8V -0.08 - Ambient Temperature (°C) Ω FIGURE 2-63: 100 k : Full Scale Error (FSE) vs. Temperature (V = 5.5V, 2.7V, ...
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Note: Unless otherwise indicated +25° Ω FIGURE 2-69: 100 k : Write Wiper → (40h 3Fh) Settling Time (V = 5.5V). DD Ω FIGURE 2-70: 100 k : Write Wiper → (40h 3Fh) Settling Time (V ...
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MCP40D17/18/19 Note: Unless otherwise indicated +25° 3.5 5.5V 3 2.5 2.7V 2 1.5 1 0 Temperature (°C) FIGURE 2-75: V (SCL, SDA) vs Temperature. 2 5.5V 1.5 2.7V ...
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Note: Unless otherwise indicated +25° Code = 7Fh 0 Code = 3Fh -10 -20 Code = 0Fh Code = 1Fh -30 Code = 01h -40 -50 100 1,000 Frequency (kHz) Ω FIGURE 2-79 ...
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MCP40D17/18/19 NOTES: DS22152B-page 28 © 2009 Microchip Technology Inc. ...
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... B 5 — — 6 Legend Analog input I = Input © 2009 Microchip Technology Inc. MCP40D17/18/19 Table 3-1. Pin Buffer Function MCP40D19 Type Type (SC70- — Positive Power Supply Input 2 P — Ground 2 3 I/O ST (OD Serial Clock pin 2 4 I/O ST (OD Serial Data pin — ...
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... W pin. The terminal A pin can support both positive and negative current. The voltage terminal A must be between V The terminal A pin is not available on the MCP40D17 and MCP40D19 devices. For these devices, the potentiometer’s terminal A is internally floating interface Serial ...
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... This Data Sheet covers a family of three Digital Potentiometer and Rheostat devices. The MCP40D18 device is the Potentiometer configuration, while the MCP40D17 and MCP40D19 devices are the Rheostat configuration. Applications generally suited for the MCP40D17/18/19 devices include: • Computer Servers • ...
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MCP40D17/18/19 TABLE 4-1: DEVICE FUNCTIONALITY AT EACH V Serial Potentiometer V Level DD Interface V < V < 1.8V Ignored “unknown” DD BOR ≤ < 1.8V “Unknown” Operational with BOR DD reduced electrical specs 1.8V ≤ V < ...
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... C Module is compatible with the Phillips I specification. Philips only defines the field types, field lengths, timings, etc frame. The frame content defines the behavior of the device. The frame content for the MCP40D17, MCP40D18, and MCP40D19 devices are defined in this section of the data sheet. 2 Figure 5-1 shows a typical I C bus configurations ...
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MCP40D17/18/ Bit Definitions bit definitions include: • Start Bit • Data Bit • Acknowledge (A) Bit • Repeated Start Bit • Stop Bit • Clock Stretching Figure 5-8 shows the waveform for these ...
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STOP BIT The Stop bit (see Figure 5-6) Indicates the end of the Data Transfer Sequence. The Stop bit is defined as the SDA signal rising when the SCL signal is “High” Stop bit ...
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... DS22152B-page 36 TABLE 5-2: Device MCP40D17 MCP40D18 MCP40D19 5.2.9.2 Figure 5- The MCP40D17/MCP40D18/MCP40D19 does not shows support hardware address bits. 5.2.10 GENERAL CALL The General Call is a method that the Master device can communicate with all other Slave devices. The MCP40D17/18/19 devices do not respond to General Call address and commands, and therefore the communications are Not Acknowledged ...
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Software Reset Sequence Note: This technique should be supported by 2 any I C compliant device. The 24XXXX Serial EEPROM devices support this technique, which is documented AN1028. At times it may become necessary to perform ...
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MCP40D17/18/19 5.4.1 WRITE OPERATION The write operation requires the START condition, Control Byte, Acknowledge, Command Acknowledge, Data Byte, Acknowledge and STOP (or RESTART) condition. The Control (Slave Address) Byte requires the R/W bit equal to a logic zero (R/W = ...
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Fixed Address Slave Address Byte Data Byte Legend S = Start Condition P = Stop Condition A = Acknowledge X = Don’t Care R/W ...
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MCP40D17/18/ Slave Address Byte Slave Address Byte Note 1: Master Device is responsible for ACK / NACK signal NACK ...
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... The MCP40D18 device offers a voltage divider (potentiometer) with terminal B internally connected to ground. The MCP40D19 device is a Rheostat device with terminal A of the resistor floating, terminal B internally connected to ground, and the wiper (W) available on pin. ...
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MCP40D17/18/19 Step resistance ( the resistance from one tap S setting to the next. This value will be dependent on the R value that has been selected. Equation 6-1 AB the calculation for the step resistance while shows ...
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Resistor Configurations 6.2.1 RHEOSTAT CONFIGURATION When used as a rheostat, two of the three digital potentiometer’s terminals are used as a resistive element in the circuit. With terminal W (wiper) and either terminal A or terminal B, a variable ...
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MCP40D17/18/19 6.3 Wiper Resistance Wiper resistance is the series resistance of the analog switch that connects the selected resistor ladder node to the Wiper Terminal common signal (see A value in the volatile wiper register selects which analog switch to ...
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... The absolute temperature coefficient quantifies the error in the end-to-end resistance (Nominal resistance R ) due to temperature drift. This is typically the AB critical error when using a rheostat device (MCP40D17 and MCP40D19) configuration. Differential Non-linearity (DNL) Actual transfer function Ideal transfer function Wide code, > 1 LSb Narrow code < ...
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MCP40D17/18/19 6.4.2 MONOTONIC OPERATION Monotonic operation means that resistance increases with every step change (from terminal A to terminal B or terminal B to terminal A). The wiper resistances difference at each tap location. When changing from one tap position ...
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DESIGN CONSIDERATIONS In the design of a system with the MCP40D17/18/19 devices, the following considerations should be taken into account. These are: • The Power Supply • The Layout In the design of a system with the MCP40D17/18/19 devices, ...
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MCP40D17/18/19 NOTES: DS22152B-page 48 © 2009 Microchip Technology Inc. ...
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APPLICATIONS EXAMPLES Digital potentiometers have a multitude of practical uses in modern electronic circuits. The most popular uses include precision calibration of set point thresholds, sensor trimming, LCD bias trimming, audio attenuation, adjustable power supplies, motor control overcurrent trip ...
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MCP40D17/18/19 8.2 Operational Amplifier Applications Figure 8-3 and Figure 8-4 illustrate typical amplifier circuits that could replace fixed resistors with the MCP40D17/18/19 to achieve digitally-adjustable analog solutions. MCP6291 Amp V DD ‚ ...
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Temperature Sensor Applications Thermistors are resistors with very predictable variation with temperature. Thermistors are a popular sensor choice when a low-cost temperature-sensing solution is desired. Unfortunately, thermistors have non-linear characteristics that are undesirable, typically requiring trimming in an application ...
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MCP40D17/18/19 8.4 Wheatstone Bridge Trimming Another common configuration to “excite” a sensor (such as a strain gauge, pressure sensor or thermistor) is the wheatstone bridge configuration. wheatstone bridge provides a differential output instead of a single-ended output. Figure 8-7 a ...
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DEVELOPMENT SUPPORT 9.1 Development Tools The MCP40D17/18/19 devices can be evaluated with the MCP4XXXDM-PGA board, but it will require the removal of the MCP4017 device and the installation of the MCP40D17 device. Please check the Microchip web site for ...
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MCP40D17/18/19 NOTES: DS22152B-page 54 © 2009 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP40D17/18/19 Part Number Code MCP40D19T-502E/LT BTNN MCP40D19T-103E/LT BUNN MCP40D19T-503E/LT BVNN MCP40D19T-104E/LT BWNN Code Part Number AJNN MCP40D18T-502E/LT AKNN MCP40D18T-502AE/LT ALNN MCP40D18T-103E/LT AMNN MCP40D18T-103AE/LT ...
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MCP40D17/18/19 /HDG 3ODVWLF 6PDOO 2XWOLQH 7UDQVLVWRU /7 >6& 1RWH 1RWHV DS22152B-page © 2009 Microchip Technology Inc. ...
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Microchip Technology Inc. MCP40D17/18/19 DS22152B-page 57 ...
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MCP40D17/18/19 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS22152B-page 58 © 2009 Microchip Technology Inc. ...
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Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging © 2009 Microchip Technology Inc. MCP40D17/18/19 DS22152B-page 59 ...
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MCP40D17/18/19 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS22152B-page 60 © 2009 Microchip Technology Inc. ...
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APPENDIX A: REVISION HISTORY Revision B (August 2009) the following is the List of Modifications: 1. Document updated to include the new standard slave address (“0111110“) MCP40D18 device. 2. Section 10.0 “Packaging Information”: Cor- rected the Marking ...
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MCP40D17/18/19 NOTES: DS22152B-page 62 © 2009 Microchip Technology Inc. ...
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... MCP40D17T:Single Rheostat with I (Tape and Reel) MCP40D18: Single Potentiometer to GND with Interface MCP40D18T:Single Potentiometer to GND with Interface (Tape and Reel) MCP40D19: Single Rheostat to GND with Interface MCP40D19T:Single Rheostat to GND with Interface (Tape and Reel) Resistance 502 = 5 kΩ ...
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MCP40D17/18/19 NOTES: DS22152B-page 64 © 2009 Microchip Technology Inc. ...
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Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families ...
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